N Ethlyn RD 685 over Birkhead Br
Good Condition28 years old200 vehicles/day
Location
| State | Missouri |
| County | Lincoln |
| Location | S 18 T 49 N R 2 E |
| Carries | N Ethlyn RD 685 |
| Crosses | Birkhead Br |
| Coordinates | 39.01161, -90.82608 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Aluminum/Wrought Iron/Cast Iron |
| Design | Culvert |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Area | 62.0 sq m |
| Main Spans | 1 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 200 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 19929 |